<template>
  <div id="app">
    <el-container>
      <Header></Header>
      <el-main>
        <div class="main">
          <!--路径对应的组件会替换在这个位置-->
          <keep-alive>
            <router-view v-if="$route.meta.keepAlive"></router-view>
          </keep-alive>
          <router-view v-if="!$route.meta.keepAlive"></router-view>
          <!-- <router-view></router-view>  -->
        </div>
      </el-main>
      <el-footer>
        <div class="footer">Copyright © 2019 - 2019</div>
      </el-footer>
    </el-container>
  </div>
</template>
<script>
import Header from "@/components/header";
export default {
  components: {
    Header,
  },
};
</script>

<style lang="stylus">
body {
  background: #fae8c8;
  font-size: 12px;
}

.main {
  width: 990px;
  margin: 0 auto;
}

.footer {
  text-align: center;
  height: 42px;
  line-height: 42px;
}
</style>
